Tandem Diabetes Care's t:slim X2 Insulin Pump Automated Insulin Delivery System is now the first to incorporate the Abbott FreeStyle Libre 2 Plus Sensor for users in the United States.
The FreeStyle Libre 2 Plus sensor is a modified version of the FreeStyle Libre 2 sensor cleared in 2023 by the US Food & Drug Administration for use with automated insulin delivery (AID) systems. It is the first and only continuous glucose sensor in the US with a wear time of 15 days for both adults and children. The t:slim X2 pump and Control-IQ algorithm software are indicated for use in individuals 6 years of age and greater.
The move follows Tandem's December announcement of integration with the recently available 10-day Dexcom G7 sensor.
"The Dexcom G6 and Dexcom G7 remain compatible options for t:slim X2 insulin pump users. We understand that diabetes management is not one size fits all and are always looking for ways to offer those living with type 1 diabetes more choice for their therapy management," a Tandem spokesperson told Medscape Medical News.
As with the Dexcom sensors, the t:slim system will connect wirelessly to the FreeStyle Libre 2 Plus sensor, which automatically sends glucose readings to the pump every minute. Users can view their glucose data on the pump and the accompanying t:connect mobile app.
The pump's Control-IQ technology predicts glucose levels 30 minutes into the future and automatically adjusts insulin delivery every five minutes based on the sensor readings. The system can deliver up to one automatic correction bolus per hour to help prevent hyperglycemia.
Tandem will email instructions to all in-warranty t:slim X2 users in the United States offering the option to add the new FreeStyle Libre 2 Plus sensor integration at no cost via remote software update. New customers will be shipped the t:slim X2 pumps preloaded with the updated software.
Miriam E. Tucker is a freelance journalist based in the Washington DC area. She is a regular contributor to Medscape, with other work appearing in the Washington Post, NPR's Shots blog, and Diabetes Forecast magazine. She is on Twitter @MiriamETucker.
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